1An overview of mining design for a steeply inclined coal seam in Baiyanzi MineWANG MengDesign Technology1-72Optimization of terminal mining position and stress control technology for roadway protection in fully mechanized mining facesXIE Zhichao, GUO Jiangfeng, LIU Zishuo, HAN Lijun, GAO PengDesign Technology8-153Transparent working face modelling based on TIM-3D system and its application in intelligent miningWANG Xiaohui, ZHANG Dongliang, BAI Baojun, DU WengangDesign Technology16-224Research on the construction of BIM technical application systems for coal mine design enterprisesGAO Qiuye, LIU Zhijiang, ZHANG Xiaochen, HUANG Qingkang, ZHANG Lei, JIANG ShiqingDesign Technology23-305Research and application of digital twin in coal mine industrial control network securitySONG ZheyuDesign Technology31-386Study on small coal pillar retention and surrounding rock control technology for secondary gob-side entry drivingQIAN Zheng, ZHAO Guangming, CHENG Xiang, MENG Xiangrui, YANG ShuoConstruction Technology39-497Surrounding rock control technology for gob-side entry retaining in paste backfilling working faceGONG Ping, SHE Xiaoguang, XU Changtao, NIU ZhenpengConstruction Technology50-608Reasonable protective coal pillar retention and control for working faces in the footwall of a normal faultLIU Xiaoming, SHI Guangjin, WANG Zhiqian, FAN Deyuan, MENG Xingguo, WANG Lun, PEI HongxiConstruction Technology61-699Instability mechanism and control techniques of coal-rock roadway sidewalls in gob-side entry retaining in deep inclined coal seamsLIANG Maoliang, SUN Jinbing, REN Zebin, LI Tingchun, ZHU Qingwen, LI JiapengConstruction Technology70-7810Technology of large-diameter back reaming and screen pipe installation for gas extraction boreholes in coal mine working facesZHANG Kaijia, XU ChengConstruction Technology79-8411Research on fracture propagation effectiveness in hydraulic fracturing of thick-hard roof strata using surface microseismic monitoringYAO Zitao, LU Chuang, WANG Binchang, YANG Guangyu, ZHANG ChenyangProduction Technology85-9212Dynamic response law and influencing factors of roadway roof under mining-induced seismicityMIAO Xiaodong, SU Shijie, CAI Shaoyang, GOU Leiyu, AN Dong, ZHENG JianweiProduction Technology93-10013Research on intelligent decision-making system for coal mine water hazard early warning and emergency response based on knowledge graphWENG Mingyue, XU Hua, YIN Huimin, FU Ensan, GAO Wenzhong, YE Lan, SHAN YaoProduction Technology101-10914Research on high-efficiency dust control technology with an air-splitting deviceLIU Xingle, TIAN Xianghong, SHANGGUAN Liangliang, MENG Xiangbao, ZHANG Quanming, LIANG Yuanjian, LIU LiuProduction Technology110-11815Study on the response characteristics of microseismic monitoring for surrounding rock failure in deep coal mine roadwaysWANG Wei, MA Weijie, CHEN Mingming, WANG Rui, LI Nan, ZHOU Zhiyue, ZUO Yapeng, LIU Jifa, QIU Jincheng, ZHU ZiyangResearch and Discussion119-12516Control mechanism and prevention technology for dynamic and static loads in rockburst prevention of backfill mining faces with hard roofsLI Jiazhuo, YANG Xiaodong, TAN Wenfeng, TONG Peng, KAN Jiliang, REN Wentao, LI Zengqiang, WANG Jian, LI SongyueResearch and Discussion126-13517Permeability evolution and resistivity response of coal mass subjected to mining-induced stressPENG Wei, ZHU Xiaole, ZHAO Yang, YE Mengqin, YU SaiyuResearch and Discussion136-14418Coal seam gas desorption law and correction method for lost gas volume under compressed air samplingLIU Xin, QI Ming, QI LimingResearch and Discussion145-15119Study on airflow-gas migration characteristics in blanking chamber based on CFDZHANG Hongjie, HAN BoResearch and Discussion152-15920Fatigue characteristics and energy evolution of red sandstone under freeze-thaw cycling and staged cyclic loading-unloadingLIU Dangdang, XUE Junjun, XU Hongliang, CHEN Mou, SU Xugang, ZHANG Jun, YAN Gongbin, HE XinResearch and Discussion160-168